Conditions for Running the DTC

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

P0806

DTCs P0335, P0336, P0502, P0503, P0807, or P0808 is not set.
Vehicle Speed is greater than 10 km/h (6 mph).
Measured transmission gear ratio matches a valid gear ratio.
DTC runs continuously when the above conditions are met.

P0807 and P0808

System voltage is greater than 11 V.
Ignition is ON.
DTC runs continuously when the above conditions are met.